\chapter[Category Theory \\ \textnormal{\emph{Lectured in Michaelmas \oldstylenums{2023} by \textsc{Prof.\ P.\ T.\ Johnstone}}}]{Category Theory}
\emph{\Large Lectured in Michaelmas \oldstylenums{2023} by \textsc{Prof.\ P.\ T.\ Johnstone}}

(Course description goes here.)

\subfile{../../iii/cat/main.tex}
